Viewing archive of Thursday, 18 May 2023 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 121 15 | 1 -1 | C1.55 | M4.5 | 7 | 5 |
Sunspot regions
Region 13301 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -1 | 5 -5 | AXX | N14W50 | |
|
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Region 13302 |
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|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 -20 | HSX | N18W46 | |
|
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Region 13305 |
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|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 -7 | 100 -10 | DSI | N12W43 | |
|
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Region 13307 |
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|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 4 | 10 | BXO | S08W07 | |
|
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Region 13308 |
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|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 4 | 60 40 | CAO | N12W28 | |
|
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Region 13309 |
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|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -3 | 10 -10 | AXX | S19W64 | |
|
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Region 13310 |
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|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 2 | 250 | DHO | S20E60 | |
|
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Region 13311 |
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|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 110 | DAO | N18E75 | |
|
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Solar flares on this day | ||||
| M1.0 M1.2 C5.2 C9.5 C4.2 C5.2 M2.2 M1.9 M1.6 C4.0 C2.5 M1.1 M3.8 M4.5 | ||||
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/22 | M1.0 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 103.3 -49.2 |
| Last 30 days | 115.4 -40.8 |